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Finding the Fourth Proportional to 46,664.60, 70,069.80 and 26,981.60

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Solution

The fourth proportional to 46,664.60, 70,069.80 and 26,981.60 is: 40,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,664.60 : 70,069.80 = 26,981.60 : x
  2. Step 2: Convert to fraction form
    46,664.60/70,069.80 = 26,981.60/x
  3. Step 3: Cross multiply
    46,664.60x = 70,069.80 × 26,981.60
  4. Step 4: Simplify right side
    46,664.60x = 1,890,595,315.68
  5. Step 5: Solve for x
    x = 1,890,595,315.68/46,664.60
  6. Step 6: Final answer
    x = 40,514.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.